20444732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25278148

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1619, 1804, 3157, 3238, 6314, 6476, 11333, 12628, 17809, 22666, 35618, 45332, 66379, 71236, 124663, 132758, 249326, 265516, 464653, 498652, 730169, 929306, 1460338, 1858612, 2920676, 5111183, 10222366, 20444732]

約数ペア:

[(1, 20444732), (2, 10222366), (4, 5111183), (7, 2920676), (11, 1858612), (14, 1460338), (22, 929306), (28, 730169), (41, 498652), (44, 464653), (77, 265516), (82, 249326), (154, 132758), (164, 124663), (287, 71236), (308, 66379), (451, 45332), (574, 35618), (902, 22666), (1148, 17809), (1619, 12628), (1804, 11333), (3157, 6476), (3238, 6314)]